note 35055 rejected from function.str-replace by didou

Note Submitter: websys007@yahoo.ca ---- This stri_replace() function is very short I ran in to a bug to handle recursive replacements of short forms to long forms. I discovered a quick and easy case insensitive string replace Would this use less cpu cycles then the other stri_replace functions above? function stri_replace($search,$replace,$text) { $pos=strpos(strtolower($text),strtolower($search)); if ($pos!==false){ $text=substr_replace ( $text, $replace, $pos,strlen($search)); } return $text; }